Merged scdl_fixes branch:

* Fixed tests for contentdm module.
* Modified enrich_subject to remove spaces around double dashes.
Update README.md

fixed couch_database variables names
Merge pull request #1 from eldios/patch-1

Update README.md
script for run pipelines against couchdb records, initial skeleton, WIP
Merge branch 'master' into poll_storage
Merged copy-prop into master.

-Loop through handle to get url in contentdm module
-Per Amy's email, copy prop publisher into dataProvider for MDL.
-Added shredding for contributor, creator, date, language,
 publisher, relation, title
-Created module copy_prop to copy from one prop into another.
-Added module copy_prop to akara.conf and server_support
-Added unit tests
-Updated profiles to use copy_prop for dataProvider field
Merge branch 'master' into poll_storage
Fixed physicalmedium -> physicalMedium in qa_reports.
Added remove parameter to copy_prop module.

-Added removal of prop if remove is True
-Added joining/appending to to_prop
-Updated profiles to remove prop that is copied to dataProvider
 Updated move_dates_to_temporal to move only isolated date values.
Merge branch 'master' into poll_storage
arguments reader for pipeliner
Merged scdl_fixes branch into master.
Remove duplicates from while shredding.

-Added removal of duplicates while preserving order
-Added keepdup param to allow for keeping of duplicates
-Also set remove=None rather than False in copy_prop
couch db document fetcher with pagination
enrichment service, related to pipeliner script
Merge branch 'master' into poll_storage
paginator fix for cases when last doc is not an item type
added view parameter filter for pipeliner (traversing view feature)
added couch db credentials reader